216054329 has 2 divisors, whose sum is σ = 216054330. Its totient is φ = 216054328.

The previous prime is 216054313. The next prime is 216054361. The reversal of 216054329 is 923450612.

It is a happy number.

216054329 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (216054361) can be obtained adding 216054329 to its sum of digits (32).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 215414329 + 640000 = 14677^2 + 800^2 .

It is a cyclic number.

It is not a de Polignac number, because 216054329 - 2⁴ = 216054313 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 216054295 and 216054304.

It is not a weakly prime, because it can be changed into another prime (216054829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 108027164 + 108027165.

It is an arithmetic number, because the mean of its divisors is an integer number (108027165).

Almost surely, 2^216054329 is an apocalyptic number.

It is an amenable number.

216054329 is a deficient number, since it is larger than the sum of its proper divisors (1).

216054329 is an equidigital number, since it uses as much as digits as its factorization.

216054329 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 216054329 is about 14698.7866506049. The cubic root of 216054329 is about 600.0503004126.

The spelling of 216054329 in words is "two hundred sixteen million, fifty-four thousand, three hundred twenty-nine".